MK Diamond 156651 MK-215GL 7-Inch Supreme Grade Diamond Blade for Cutting Glass 7 by .050 by 5/8 inch Glass cutting blade Premium grade metal bond blade for glass Metal bond glass blades provide smooth chip free cutting Ideal for production type applications Metal bond formulation and diamond chip mix provide for chip free cutting of glass tiles, glass block and fused glass Metal bond formulation and diamond chip mix also provides for the minimization or elimination of breakout Supreme grade metal bond diamond blade for cutting glass